This caught my attention for a while and I had to trace which tank will fill up first and I think it's F.Who else thinks F or tank? Source of shared Link

Lo que vemos: un dibujo plano con un palo y una bandera unidos que genera tres interpretaciones 3D diferentes cuando se ve desde tres puntos de vista especiales. Con esta ilusión llamada Triply Ambiguous

An old article of mine describing my experiences "stuck" in an altered state of consciousness commonly known as the void. I contrast this with the articulated experiences of Jill Bolte Taylor's stroke.

This remains highly relevant, 50 years later. Learn to listen - to truly listen. Become The Listener. Learn to observe - with alertness and detachment. Become The Observer. Then